*SUPPORT*
IN: dax tufa OUT: RED RED RED
IN: kiki OUT: YELLOW
IN: wif OUT: BLUE
IN: kiki lug tufa OUT: YELLOW PURPLE PURPLE PURPLE
IN: dax fep OUT: RED RED
IN: wif tufa gazzer kiki OUT: YELLOW BLUE BLUE BLUE
IN: wif tufa gazzer lug OUT: PURPLE BLUE BLUE BLUE
IN: wif tufa OUT: BLUE BLUE BLUE
IN: dax gazzer kiki tufa OUT: YELLOW YELLOW YELLOW RED
IN: lug tufa OUT: PURPLE PURPLE PURPLE
IN: kiki gazzer dax tufa OUT: RED RED RED YELLOW
IN: kiki tufa OUT: YELLOW YELLOW YELLOW
IN: lug OUT: PURPLE
IN: dax dax tufa OUT: RED RED RED RED

*QUERY*
IN: dax OUT: RED
IN: kiki fep gazzer wif tufa OUT: BLUE BLUE BLUE YELLOW YELLOW
IN: lug lug OUT: PURPLE PURPLE
IN: kiki tufa gazzer lug tufa OUT: PURPLE PURPLE PURPLE YELLOW YELLOW YELLOW
IN: wif gazzer wif OUT: BLUE BLUE
IN: dax wif tufa OUT: RED BLUE BLUE BLUE
IN: lug kiki tufa OUT: PURPLE YELLOW YELLOW YELLOW
IN: wif lug OUT: BLUE PURPLE
IN: lug lug fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax fep fep fep OUT: RED RED RED RED RED RED RED RED

*GRAMMAR*
wif -> BLUE 
 lug -> PURPLE 
 kiki -> YELLOW 
 dax -> RED 
 u1 tufa -> [u1] [u1] [u1] 
 x1 fep -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 